![Dinan Free Flow Axle-Back Exhaust System | F80 M3 · F82 · F83 M4 | 3.0L Turbo I6 [S55] D4 A8 3.0L SC V6 Adding an Stage 2 ECU](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/DinanFreeFlowAxle-BackExhaustSystemF80M3_F82_F83M43.0LTurboI6_S55.png?v=1740254148)
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Adding an Stage 2 ECU Tune and IE Downpipe to your Audi RS3 is the ultimate choice power adder on the stock turbo & engine
5" mandrel-bent brushed tubing
MoS2 Anti-Friction Engine Treatment ensures immediate friction and wear reduction
Get same punch as a B58TU engine
reliable amount on the stock engine
Dinan Free Flow Axle-Back Exhaust System | F80 M3 · F82 · F83 M4 | 3.0L Turbo I6 [S55] D4 A8 3.0L SC V6 Adding an Stage 2 ECUThe F8x M3 M4's are an audible treat right off the showroom. Coupled with a Dinan exhaust however they become a symphony of aural delight that even the most discerning ear will find pleasing. Dinan's Free Flow axle back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is
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